White Silicone Spiral Screw Thermal Sealed Stopper For Home Vacuum Flasks And Water Bottles Durable Reusable Bottle Plug For Kettles Easy Fit Into Bottle Openings Two Sizes Available

White Silicone Spiral Sealed Stopper for Vacuum Flask 1Pcs
✔️ Two silicone stoppers, 35mm (1.38") and 40mm (1.57"), reusable

This white silicone spiral sealed stopper is designed to fit standard home vacuum flasks and kettles, providing a leak-proof seal to keep beverages fresh and prevent spills during storage and transport.

✅ Material: 100% silicone
✅ Size options: 35mm small and 40mm large
✅ Fits 2L and 3.2L bottles
✅ Reusable, food-grade silicone
✅ Pack: 1 piece per set

💡 What is a silicone spiral stopper used for in insulated bottles and flasks?

It’s a handy seal that helps prevent leaks and keeps contents secure during storage and transport.

- Provides a tight leak-proof seal for 2L and 3.2L containers - Handy to insert and remove thanks to the spiral design - Made from food-grade silicone for safe, reusable use - Available in two diameters: 35mm (1.38") and 40mm (1.57")